clang downloader: Clean up temporary files on the bots.

tools/clang/scripts/update.sh

 #!/bin/bash
 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This script will check out llvm and clang into third_party/llvm and build it.
 
 THIS_DIR="$(dirname "${0}")"
 LLVM_DIR="${THIS_DIR}/../../../third_party/llvm"
 LLVM_BUILD_DIR="${LLVM_DIR}/../llvm-build"
@@ skipping 27 matching lines @@
       exit 1
       ;;
   esac
   shift
 done
 
 if [[ -n "$mac_only" ]] && [[ "${OS}" != "Darwin" ]]; then
   exit 0
 fi
 
+# TODO(thakis): Remove this after a week. http://crbug.com/96722

[TVL, 2011/09/22 17:31:32]

instead of "after a week" put a date it should be removed so someone else that
sees it knows.

+for rev in 138188 138417 139029 139473 139990; do
+  rm -f clang-$rev.tgz
+  rm -rf clang-$rev
+done
+
 # Xcode and clang don't get along when predictive compilation is enabled.
 # http://crbug.com/96315
 if [[ "${OS}" = "Darwin" ]] && xcodebuild -version | grep -q 'Xcode 3.2' ; then
   XCONF=com.apple.Xcode
   if [ "$(defaults read "${XCONF}" EnablePredictiveCompilation)" != "0" ]; then
     echo
     echo "          HEARKEN!"
     echo "You're using Xcode3 and you have 'Predictive Compilation' enabled."
     echo "This does not work well with clang (http://crbug.com/96315)."
     echo "Disable it in Preferences->Building (lower right), or run"
@@ skipping 128 matching lines @@
 PLUGIN_BUILD_DIR="${LLVM_BUILD_DIR}/tools/clang/tools/chrome-plugin"
 rm -rf "${PLUGIN_DST_DIR}"
 cp -R "${PLUGIN_SRC_DIR}" "${PLUGIN_DST_DIR}"
 rm -rf "${PLUGIN_BUILD_DIR}"
 mkdir -p "${PLUGIN_BUILD_DIR}"
 cp "${PLUGIN_SRC_DIR}/Makefile" "${PLUGIN_BUILD_DIR}"
 make -j"${NUM_JOBS}" -C "${PLUGIN_BUILD_DIR}"
 
 # After everything is done, log success for this revision.
 echo "${CLANG_REVISION}" > "${STAMP_FILE}"